Exam 1: An Introduction to Business Statistics

Using a nonrandom sample procedure in order to support a desired conclusion is an example of an unethical statistical procedure.

The term big data was derived from the use of survey data.

Processes produce outputs over time.

A Yes or No question is _____________.

The number of sick days taken by employees in 2008 for the top 10 technology companies is an example of time series data.

Temperature (in degrees Fahrenheit)is an example of a(n)__________ variable.

The science of describing the important aspects of a set of measures is called statistical inference.

If we sample without replacement,we do not place the unit chosen on a particular selection back into the population.

If we examine some of the population measurements,we are conducting a census of the population.

Data collected for a particular study are referred to as a data ____________.

A _____ is a list of all the units in a population.

Primary data are data collected by an individual.

A study is being conducted on the effect of gas price on the number of miles driven in a given month.Residents in two cities,one on the East Coast and one on the West Coast,are randomly selected and asked to complete a questionnaire on the type of car they drive,the number of miles they live from work,the number of children under 18 in their household,their monthly income,and the number of miles they have driven over the past 30 days.Is this an experimental or observational study?

One method of determining whether a sample being studied can be used to make statistical inferences about the population is to

An identification of police officers by rank would represent a(n)____________ level of measurement.

Examining all population measurements is called a_____________.

_____________ occurs when some population elements are excluded from the process of selecting the sample.

___________ sampling is where we know the chance that each element will be included in the sample,which allows us to make statistical inferences about the sample population.

It is possible to use a random sample from a population to make statistical inferences about the entire population.

Cross-sectional data are data collected at the same point in time.